Bregantini D. Moment-based estimation of stochastic volatility. J Bank Financ. 2013 Dec 1;37(12):4755-64. doi: 10.1016/j.jbankfin.2013.08.008
Reau N, Hamzeh FM, Lentz E, Zhou X, Jensen D. Characterization of nonrapid virologic response patients infected with HCV genotype 1 who may relapse after standard therapy with peginterferon plus ribavirin. J Viral Hepat. 2012 Feb;19(2):94-102.